Solar Demon Dimming Detection (sc)

Science! running on SDO/AIA 211 Synoptic data
2 minute cadence, typical delay 7 days
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 20299
Detector 14 day operating status:

Last detected dimming:
   202 hours and 8 minutes ago (2025-10-03 21:29 UTC)


Overview for dimming #:
   20299           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity ( overlaid on HMI )
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 20299          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-28 04:55:5910.00.00.00.00 , 0.008622516
2025-09-28 04:57:5920.00.00.00.00 , 0.008622517
2025-09-28 04:59:5930.00.00.00.00 , 0.008622518
2025-09-28 05:01:5940.00.00.00.00 , 0.008622519
2025-09-28 05:03:5950.00.00.00.00 , 0.008622520
2025-09-28 05:05:5960.00.00.00.00 , 0.008622521
2025-09-28 05:07:5970.00.00.00.00 , 1.048622522
2025-09-28 05:09:5980.00.00.00.00 , 0.008622523
2025-09-28 05:11:5990.00.00.00.00 , 3.678622524
2025-09-28 05:13:5910-0.6-6.5-12.40.347 , 2.198622525
2025-09-28 05:15:5911-1.2-10.0-11.60.691 , 0.008622526
2025-09-28 05:17:5912-1.2-10.6-12.80.589 , 0.008622527
2025-09-28 05:19:5913-1.4-10.9-13.90.6101 , 0.008622528
2025-09-28 05:21:5914-1.4-11.0-13.40.6103 , 0.008622529
2025-09-28 05:23:5915-1.7-11.9-13.70.7112 , 0.008622530
2025-09-28 05:25:5916-1.9-12.9-14.10.8126 , 0.008622531
2025-09-28 05:27:5917-1.9-13.8-13.80.8124 , 0.008622532
2025-09-28 05:29:5918-2.0-13.5-14.80.8129 , 0.008622533
2025-09-28 05:31:5919-1.9-12.9-15.00.7119 , 0.008622534
2025-09-28 05:33:5920-2.1-14.3-14.80.8134 , 0.008622535
2025-09-28 05:35:5921-2.2-14.0-14.40.9142 , 0.008622536
2025-09-28 05:37:5922-2.3-14.1-14.50.9147 , 0.008622537

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )